A sleep clinic monitors Aisha overnight. The recording measures her brain activity and the activity of her body muscles. Part-way through the night, the recording shows that she has entered REM sleep.
Outline one feature the recording would show for Aisha's brain activity and one feature it would show for her body muscles during this period of REM sleep.
53 exam-style questions on OCR GCSE Psychology 6.1 Key Concepts, covering 6.1.1 Functions, features and benefits of sleep, 6.1.2 Causes of sleep disorders, and 6.1.3 Endogenous pacemakers and exogenous zeitgebers. Each one has a worked solution and a mark scheme showing where the marks go.